Jefferson County, Tennessee
County seat: Dandridge · Population 60,024 (2025) · 275 sq mi
Jefferson County is the 26th most populous of Tennessee's 95 counties, with 60,024 people (2025 estimate). Its county seat is Dandridge. It is part of the East Tennessee region, one of the 3 Grand Divisions of Tennessee. The map shows its 6 cities and towns and the 5 neighboring counties.
Jefferson County facts
- County seat
- Dandridge
- Population (2025 estimate)
- 60,024 +9.8% since 2020
- Land area
- 275 sq mi 79th largest of 95
- Water area
- 39 sq mi
- Population density
- 218 per sq mi
- Established
- 1792
- Same name
- One of 25 Jefferson Counties in the US
- Named after
- Thomas Jefferson Founding Father, U.S. president from 1801 to 1809 (1743–1826)
- Largest city
- Jefferson City 9,103
- Median household income
- $66,114
- Cities and towns
- 6 plus 1 CDPs
- ZIP codes
- 10
- Time zone
- Eastern
- FIPS code
- 47089
Cities and towns in Jefferson County
Jefferson County has 6 incorporated cities, towns and villages. Populations count the people living inside Jefferson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Jefferson City | City | 9,103 | |
| Dandridge (county seat) | Town | 3,947 | |
| White Pine | Town | 2,619 | Hamblen County |
| New Market | Town | 1,431 | |
| Baneberry | City | 585 | |
| Morristown | City | 4 | Hamblen County |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Strawberry Plains | 2,669 |
ZIP codes in Jefferson County
10 ZIP codes reach into Jefferson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37725 also Sevier County
- 37760
- 37764 also Sevier and Knox counties
- 37813 also Hamblen County
- 37820
- 37821 also Cocke County
- 37871 also Knox and Sevier counties
- 37876 also Sevier County
- 37877 also Hamblen County
- 37890 also Hamblen County
Population of Jefferson County, 2020–2025
Jefferson County grew by 5,358 people (+9.8%) between April 2020 and July 2025: 1,446 more deaths than births and a net gain of 6,714 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 54,897 |
| 2021 | 55,535 |
| 2022 | 56,695 |
| 2023 | 57,849 |
| 2024 | 59,217 |
| 2025 | 60,024 |
Neighboring counties
- Grainger County north · 25,739 people
- Sevier County south · 101,342 people
- Cocke County southeast · 37,889 people
- Hamblen County northeast · 68,843 people
- Knox County west · 511,453 people
Printable Jefferson County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (92 KB)
- PNG (2400 px) (91 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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